Home / 28,975.26-39,989.79-17,045.58

Finding the Fourth Proportional to 28,975.26, 39,989.79 and 17,045.58

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Solution

The fourth proportional to 28,975.26, 39,989.79 and 17,045.58 is: 23,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975.26 : 39,989.79 = 17,045.58 : x
  2. Step 2: Convert to fraction form
    28,975.26/39,989.79 = 17,045.58/x
  3. Step 3: Cross multiply
    28,975.26x = 39,989.79 × 17,045.58
  4. Step 4: Simplify right side
    28,975.26x = 681,649,164.63
  5. Step 5: Solve for x
    x = 681,649,164.63/28,975.26
  6. Step 6: Final answer
    x = 23,525.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.